Home / 22,149.47-33,191.40-18,228.58

Finding the Fourth Proportional to 22,149.47, 33,191.40 and 18,228.58

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Solution

The fourth proportional to 22,149.47, 33,191.40 and 18,228.58 is: 27,315.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.47 : 33,191.40 = 18,228.58 : x
  2. Step 2: Convert to fraction form
    22,149.47/33,191.40 = 18,228.58/x
  3. Step 3: Cross multiply
    22,149.47x = 33,191.40 × 18,228.58
  4. Step 4: Simplify right side
    22,149.47x = 605,032,090.21
  5. Step 5: Solve for x
    x = 605,032,090.21/22,149.47
  6. Step 6: Final answer
    x = 27,315.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.